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| author | Jiri Kosina <jkosina@suse.cz> | 2012-06-29 14:45:58 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-06-29 14:45:58 +0200 |
| commit | 59f91e5dd0504dc0ebfaa0b6f3a55e6931f96266 (patch) | |
| tree | b913718405d44a921905ac71044fbde410256865 /mm/swapfile.c | |
| parent | 57bdfdd80077addf518a9b90c4a66890efc4f70e (diff) | |
| parent | 89abfab133ef1f5902abafb744df72793213ac19 (diff) | |
| download | linux-3.10-59f91e5dd0504dc0ebfaa0b6f3a55e6931f96266.tar.gz linux-3.10-59f91e5dd0504dc0ebfaa0b6f3a55e6931f96266.tar.bz2 linux-3.10-59f91e5dd0504dc0ebfaa0b6f3a55e6931f96266.zip | |
Merge branch 'master' into for-next
Conflicts:
include/linux/mmzone.h
Synced with Linus' tree so that trivial patch can be applied
on top of up-to-date code properly.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 33 |
1 files changed, 1 insertions, 32 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index fafc26d1b1d..457b10baef5 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -601,7 +601,7 @@ void swapcache_free(swp_entry_t entry, struct page *page) * This does not give an exact answer when swap count is continued, * but does include the high COUNT_CONTINUED flag to allow for that. */ -static inline int page_swapcount(struct page *page) +int page_swapcount(struct page *page) { int count = 0; struct swap_info_struct *p; @@ -717,37 +717,6 @@ int free_swap_and_cache(swp_entry_t entry) return p != NULL; } -#ifdef CONFIG_CGROUP_MEM_RES_CTLR -/** - * mem_cgroup_count_swap_user - count the user of a swap entry - * @ent: the swap entry to be checked - * @pagep: the pointer for the swap cache page of the entry to be stored - * - * Returns the number of the user of the swap entry. The number is valid only - * for swaps of anonymous pages. - * If the entry is found on swap cache, the page is stored to pagep with - * refcount of it being incremented. - */ -int mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep) -{ - struct page *page; - struct swap_info_struct *p; - int count = 0; - - page = find_get_page(&swapper_space, ent.val); - if (page) - count += page_mapcount(page); - p = swap_info_get(ent); - if (p) { - count += swap_count(p->swap_map[swp_offset(ent)]); - spin_unlock(&swap_lock); - } - - *pagep = page; - return count; -} -#endif - #ifdef CONFIG_HIBERNATION /* * Find the swap type that corresponds to given device (if any). |